source language dictionary

例句：

1. 1. This is a comprehensive source language dictionary for English learners.
   这是一本为英语学习者提供全面信息的源语言词典。
2. 2. The source language dictionary helps students understand the nuances of the target language.
   源语言词典帮助学生理解目标语言的细微差别。
3. 3. In this source language dictionary, you will find definitions, pronunciation, and usage examples for each word.
   在这个源语言词典中，你将找到每个单词的定义、发音和用法示例。